Specific star formation rate versus stellar mass from WISE data for the eSCGS sample (filled circles) and spectroscopically confirmed non-cluster members (open circles). The colours indicate the classification according to W2 − W3 from Fig. 26 (top), SF activity class from Fig. 24 (middle), and morphological properties, as indicated in each panel. The dashed diagonal lines roughly separate passive (bottom) from intermediate (middle) and SF (top) galaxies.